Haemophilia is a
Deficiency disorder
$Y$-linked disorder
$X$-linked disorder
Autosomal sex disorder
A fruit fly is heterozygous for sex-linked genes when meted with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion
If the genotype of an individual consists of only one type of genes at same locus. It is called
Continuous variations are attributed to
Codominance is shown by gene controlling
Mongoloid condition is related to or In mongolism a patient shows